A sweep by multiple organizations detected 21 small quantities of marijuana and one dose of cocaine in a sweep of the Calle de La Amargura in San Pedro Saturday night and early Sunday.
The Fuerza Pública said that of the 139 individuals checked, two were minors. There also were two British citizens who were determined to be illegal, police said.
Officers also found 12 security guards working without a document showing Ministerio de Seguridad permission, they added.
Conducting the sweep were 70 Fuerza Pública officers, members of the Policía de Migración, the Policía del Tránsito and the Patronato Nacional de la Infancia.